Periodic Table
How many valence electrons does Calcium have?
2
Fill in the blanks: Ionic bonds form between a _______ and a ___________.
metal and nonmetal
How many Hydrogen atoms are in the following compound?
(NH4)2CO3
8
6.02 x 1023 is known as ....
The calculated amount of a product is known as ...
theoretical yield
Which of the following elements has 6 valence electrons?
Krypton
Fluorine
Oxygen
Magnesium
Oxygen
What type of bond is known for the transfer of electrons?
ionic
What is the name of the following compound?
AlCl3
aluminum chloride
What is the molar mass of carbon dioxide (CO2) ?
44.01 g/mol
2NaCl + F2 --> 2NaF + Cl2
If there are 5 moles of F2, how many moles of NaF are produced?
10 moles NaF
What family is group 18?
noble gases
Unequal sharing of electrons occurs in what type of bond? (be specific)
What is the net charge of the following compound?
CaO
How many moles are in 44 grams of O2?
1.4 mol
P4 + 3O2 → 2P2O3
How many grams of P2O3 are produced from 5.30 moles of O2 ?
279 g P2O3
List the 7 diatomic elements.
Hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, iodine
What are the 3 elements that bond with hydrogen during hydrogen bonding?
Fluorine, oxygen, nitrogen
Write the chemical formula for lead (IV) oxide
PbO2
How many particles are in 7.4 moles of SnO?
4.5 x 1024 particles SnO
2H2 + O2 --> 2H2O
If there are 8.35 grams of H2 , how many grams of H2O are produced?
75.5 g H2O
Which element has the highest electronegativity?
Fluorine
When hydrogen and oxygen bond, which element will have a partial positive charge and which will have a partial negative charge?
Hydrogen-partial positive
oxygen- partial negative
Write the chemical formula for ammonium phosphate
(NH4)3PO4
How many particles are in 45.4 grams of O2?
8.54 x 1023 particles
C12H22O11 + 12O2 --> 12CO2 + 11H2O
There are 10.0 g of sucrose and 10.0 g of oxygen reacting. Which is the limiting reagent?
Oxygen